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Electrostatic device and method for enhancing chemical aggregation of particles in water suspension
Electrostatic device and method for enhancing chemical aggregation of particles in water suspension
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机译:增强水悬浮液中颗粒化学聚集的静电装置和方法
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摘要
A method for enhancing the efficiency of a solid-liquid separation process by exposure to an electrostatic-field generator utilizes a vitrified ceramic tube of unibody construction having a single open end adapted to receive a high-voltage power cable through an insulated cap. The interior surface of the ceramic tube is lined with a layer of conductive material electrically connected to the power cable, thereby providing a relatively-large conductive surface in intimate contact with the dielectric surface of the ceramic tube. The device is used in connection with conventional chemical additives for separating suspended solids from water to reduce chemical consumption and improve operating efficiency. The device is immersed in the water carrying suspended particles upstream of the treatment with chemical agents and is energized with a high DC voltage, thereby creating an electrostatic field across the dielectric of the tube's ceramic and across the body of water. The charge on the surface of particles to be separated by physical aggregation is altered by the electrostatic field so generated and is manipulated so as to produce enhanced performance by the chemicals used in the conventional process downstream.
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